Permeable and elastic pavement blocks

Details Permeable and elastic pavement blocks Permeable and elastic pavement blocks

2005-11-01

2005-11-01

Will, Thomas B. (Department: 3671)

Road structure, process, or apparatus

Pavement

Modules or blocks

C404S032000, C404S034000

Reexamination Certificate

active

06960046

ABSTRACT:
Permeable and elastic pavement blocks comprising waste-polyurethane chips, which use a binder specially developed to secure the binding between an upper polyurethane-chip layer and a lower permeable-concrete layer as well as the binding among the waste-polyurethane chips, resulting in excellent strength and durability, and use recycled polyurethane chips to provide elasticity and permeability suitable for sports activities, walking, and outdoor exercises the like.

REFERENCES:
patent: 4069182 (1978-01-01), McDonald
patent: 4113401 (1978-09-01), McDonald
patent: 4915539 (1990-04-01), Yoshikane et al.
patent: 5367007 (1994-11-01), Richards
patent: 5494741 (1996-02-01), Fekete et al.
patent: 5957619 (1999-09-01), Kinoshita et al.
patent: 6079900 (2000-06-01), Kumagawa et al.
patent: 6702514 (2004-03-01), Kaneko et al.
patent: 06313301 (1994-11-01), None

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